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Trouble with BB flash read?

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I'm getting the error in the picture attached when I try to read ecu.


Background:
I've tried 2 laptops and followed instructions exactly. I'm using a battery charger. I've tried this with the BMS tweaked version as well and I get the exact same error. The read process goes relatively quickly. It goes thru step 1 in just a few seconds and seems to skip to step 3 which only takes about 10 minutes then the error. I also don't get an estimated read time during the read...


Any ideas? I can't find where anyone else has had trouble with the read.

Click here to enlarge


FYI--Protocol says "D-CAN"

Thanks!
Attached Images
 

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